LG Display Co., Ltd. v. Tianma Microelectronics Co., Ltd. Patents
Case Filing Date: 2025-06-13
| Patent Number | Organic/Acquired | Forward Citation Count | Family Size | Independent Word Count |
|---|---|---|---|---|
| US8416166 | Acquired | 1 | 2 | 136 |
| US10175803 | Acquired | 1 | 9 | 275 |
| US10499493 | Organic | 4 | 6 | 205 |
| US10869388 | Organic | 5 | 10 | 204 |
| Patent Summary | Independent Claim |
|---|---|
| US8416166 Floating lines and electrostatic discharge circuitry prevent electrical leakage in LCD, enhancing durability and reducing defect risks. Improved electricity consumption ensures lower current use for reliable operations. Innovative floating state configurations block currents from common line to keep LCD devices efficient. | 1. A liquid crystal display device having a display area and a non-display area, comprising: a plurality of gate lines and a plurality of data lines arranged to cross each other on the display area; a floating line disposed along the periphery of the display area to maintain a floating state; a common line disposed along the periphery of the floating line to apply a common voltage; a plurality of first electrostatic dischargers connected between the common line and the floating line; a plurality of second electrostatic dischargers connected between the floating line and the gate lines; and a plurality of third electrostatic dischargers connected between the floating line and the data lines, wherein the floating line is electrically disconnected from the common line, and wherein no voltage is applied to the floating line and a common voltage is applied to the common line. |
| US10175803 Dynamic touch sensing circuitry adapts capacitive sensitivity for optimal user interaction. Selective capacitance periods enhance precise touch detection while reducing pixel disturbance. Matrix-form sensing configurations maintain display clarity for seamless usability. | 1. A touch sensing display device comprising: a display panel including data lines, gate lines, sensing lines and touch electrodes for sensing a touch and operated as common electrodes; and a touch sensing circuit configured to sense changes in capacitance corresponding to the touch electrodes during a touch drive period, wherein: the touch electrodes include a first touch electrode and a second touch electrode, the sensing lines include a first sensing line and a second sensing line, the first sensing line is overlapped with the first touch electrode, the second sensing line is overlapped with the first touch electrode and the second touch electrode, the touch sensing circuit is connected to the first touch electrode through the first sensing line and is connected to the second touch electrode through the second sensing line, the touch drive period includes a first section, a sensing section and a second section, the touch sensing circuit supplies a touch driving signal to the first touch electrode and the second touch electrode to sense changes in the capacitance corresponding to the first touch electrode and the second touch electrode during the sensing section of the touch drive period, the touch sensing circuit does not supply the touch driving signal to the first touch electrode and the second touch electrode during the first section of the touch drive period or during the second section of the touch drive period, wherein the first touch electrode is connected to the first sensing line but not connected to the second sensing line, and the second touch electrode is connected to the second sensing line but not connected to the first sensing line, and wherein the first sensing line does not overlap with the second sensing line. |
| US10499493 Compact integration of flexible substrates creates durable bendable areas enhancing device portability. Back-plate support configurations align structural layers for improved mechanical stability. Minimized substrate width transitions facilitate advanced image quality unaffected by bending stresses. | 1. A flexible display device comprising: a display panel configured to display images, and including a first substrate having a plurality of pixels disposed therein, the first substrate having a display area, a bent part extending from the display area, and a pad part extending from the bent part; a second substrate coupled to the first substrate; a back plate provided at a bottom of the first substrate; a supporting member adhered to the back plate and to the pad part or the bent part of the first substrate; and a first driver including at least one driving IC that is electrically connected to the pad part of the first substrate, and configured to supply signals to the display panel, wherein the pad part of the first substrate and the first driver are disposed below the display area of the first substrate and the supporting member, wherein the first substrate includes a first surface and a second surface, and the second substrate includes a third surface and a fourth surface, wherein the first surface of the first substrate faces the fourth surface of the second substrate, and wherein the substrate in the display area has a first width, and the substrate in the bent part has a second width smaller than the first width. |
| US10869388 Non-bending structural layers optimize flex-panel durability for long-term display use. Strategic substrate configurations balance bending stress and impact resistance, enabling wider design applications. Optimized boundary adhesives create harmonious joining points for enhanced structural reliability. | 1. A display device comprising: a flexible first substrate including a display part, a bending part at one side of the display part, and a pad part at one side of the bending part; a back film adhered to a portion corresponding to the display part and the pad part on a bottom of the flexible first substrate; a supporting member placed below a portion of the back film corresponding to the display part, wherein the supporting member is not bent and extends beyond an outer edge of the display part, and wherein the bending part of the flexible first substrate is bent along a side of the supporting member; and a second substrate facing the display part, wherein the back film includes a first film and a second film separated from the first film, and a top adhesive layer, wherein between a bottom surface of the display part of the flexible first substrate and a top surface of the supporting member, the first film and the top adhesive layer on the first film are provided, and wherein between a bottom surface of the supporting member and a top surface of the pad part of the flexible first substrate, the second film and the top adhesive layer on the second film are provided. |